December 2002
Volume 43, Issue 13
Free
ARVO Annual Meeting Abstract  |   December 2002
Retinal Changes After Transpupillary Thermotherapy For Choroidal Neovascularization
H Yamaji; F Shiraga; J Endo; M Kato; H Nomoto; H Ohtsuki
Author Affiliations & Notes
  • H Yamaji
    Dept Ophthalmology Okayama Univ Medical School Okayama Japan
  • F Shiraga
    Okayama University Medical School Dept of Opthalmolology Okayama Japan
  • J Endo
    Okayama University Medical School Dept of Ophthalmology Okayama Japan
  • M Kato
    Okayama University Medical School Dept of Ophthalmology Okayama Japan
  • H Nomoto
    Okayama University Medical School Dept of Ophthalmology Okayama Japan
  • H Ohtsuki
    Okayama University Medical School Dept of Ophthalmology Okayama Japan
  • Footnotes
    Commercial Relationships   H. Yamaji, None; F. Shiraga, None; J. Endo, None; M. Kato, None; H. Nomoto, None; H. Ohtsuki, None.
Investigative Ophthalmology & Visual Science December 2002, Vol.43, 4414. doi:
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      H Yamaji, F Shiraga, J Endo, M Kato, H Nomoto, H Ohtsuki; Retinal Changes After Transpupillary Thermotherapy For Choroidal Neovascularization . Invest. Ophthalmol. Vis. Sci. 2002;43(13):4414.

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Abstract

Abstract: : Purpose: To evaluate retinal damages shortly after transpupillary thermotherapy (TTT) for age-related macular degeneration (AMD) and polypoidal choroidal vasculopathy (PCV). Methods: Fourteen consecutive eyes of 14 patients with occult or classic choroidal neovascularization secondary to AMD and 11 consecutive eyes of 11 patients with PCV underwent TTT. TTT was delivered through a slit lamp with an 810 nm diode laser, for a 3.0 mm beam the settings were between 300 - 400mW, for a 2.0 mm between 200 - 270mW. Fluorescein angiography (FA) was performed before the treatment, and one day and one month after the treatment. Results: FA at one day after TTT showed leakage from retinal capillary or occlusion of retinal capillary in the treated area in 6 eyes (43%) of the 14 eyes with AMD and 6 eyes (55%) of the 11 eyes with PCV. These angiographic changes completely disappeared at one month after the treatment. Conclusion: Although TTT is administered as a subthreshold photocoagulation with no visible endpoint and no ophthalmoscopically apparent chorioretinal change during the treatment, the damage to the overlying retina may occur temporarily after the treatment.

Keywords: 308 age-related macular degeneration • 346 choroid: neovascularization • 353 clinical (human) or epidemiologic studies: outcomes/complications 
© 2002, The Association for Research in Vision and Ophthalmology, Inc., all rights reserved. Permission to republish any abstract or part of an abstract in any form must be obtained in writing from the ARVO Office prior to publication.
Copyright © 2024 Association for Research in Vision and Ophthalmology.
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